IEC_60689-2008.pdf

IEC 60689Edition 2.0 2008-11INTERNATIONAL STANDARD Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values IEC 60689:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.chWeb:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.chTel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60689Edition 2.0 2008-11INTERNATIONAL STANDARD Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values INTERNATIONAL ELECTROTECHNICAL COMMISSION RICS 31.140 PRICE CODEISBN 2-8318-1018-6 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60689 IEC:2008(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Overview.6 3.1 General.6 3.2 Applied frequency range.6 3.3 Measurement method.6 3.4 Load capacitance.7 3.5 Recommended drive level.7 3.6 Measurement conditions.7 3.7 Measurement of frequency-temperature characteristics.7 3.8 Load capacitance frequency characteristics.7 4 Measurement methods.7 4.1 Method A.7 4.1.1 Vector network analyzer/vector impedance analyzer.7 4.1.2 Block diagram.7 4.1.3 Specifications for vector network analyzer/vector impedance analyzer.8 4.1.4 Test fixture.8 4.1.5 Measurement of equivalent circuit constants.9 4.1.6 Frequency pulling.10 4.2 Method B.10 4.2.1 General.10 4.2.2 Block diagram.10 4.2.3 Calibration.11 4.2.4 Procedure.12 5 Measurement conditions.12 5.1 General.12 5.2 Measurement conditions.12 5.3 Measurement of the frequency-temperature dependence.13 5.3.1 General.13 5.3.2 Block diagram.13 5.3.3 Determination of the turnover point and parabolic coefficient (standard reference method).14 5.3.4 Measurement of the frequency versus temperature characteristics(mass production method).14 5.3.5 Frequency CL curve.15 6 Test and environmental examination.15 6.1 Application of the definition of IEC 60122-1.15 6.2 Magnetism Influence of a magnetic field on the frequency.16 6.3 Enclosure.16 6.4 Measuring conditions and electric performance.16 6.4.1 General.16 6.4.2 Measurement conditions.16 6.4.3 Standard values.16 Bibliography.18 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60689 IEC:2008(E)3 Figure 1 Block diagram of the measurement method using the vector network analyzer or vector impedance analyzer.8 Figure 2 Block diagram of test fixture.9 Figure 3 Block diagram of test fixture(including a load capacitance).9 Figure 4 Block diagram of test fixture for bridge method.11 Figure 5 Block diagram of test fixture for bridge method(including a load capacitance).11 Figure 6 Block diagram of measurement of the frequency-temperature dependence.